Heart, blood and blood vessels

• What is the trachea?

  The trachea is the tube that connects the larynx to the bronchi, allowing air to pass in and out of the lungs.
• What is the oesophagus?

  The pipe that connects to the stomach
• what does the trachea branch split into?

  Splits into the two bronchi
• Whats a bronchi?

  Bronchi are the main passage ways in and out of the lumgs